Headsets and headphones / Compare

Alienware Pro Wireless Gaming Headset vs Audio-Technica ATH-M50x

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Product A: Alienware

Pro Wireless Gaming Headset

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B

Product B: Audio-Technica

ATH-M50x

55 of 161 known

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Only differences

AAlienware Pro Wireless Gaming Headset

BAudio-Technica ATH-M50x

General

6 of 8 differ

Series

Pro1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

M-Series5Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 6 October 2026Audio-Technica has remastered its M-Series line of professional monitor headphones

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

PRO-HS, 9K2M11Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Lunar Light reference: current Dell store part 9K2M1. PRO-HS is the regulatory headset model in the user guide. Receiver UD2202u is excluded.

ATH-M50x, ATH-M50xWH, ATH-M50xBB, ATH-M50xMG1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Model numbers ATH-M50x and ATH-M50x WH. The maker writes the white model with a space. The US launch release writes ATH-M50xWH2Maker product pageaudio-technica.co.jp/product/ATH-M50xMGRead 6 October 2026ATH-M50xMG is a limited matte grey colour model (限定カラーモデル) with the same specification table as ATH-M50x. Japanese release date 2016-02-193Maker product pageaudio-technica.co.jp/product/ATH-M50xBBRead 6 October 2026ATH-M50xBB is a limited production model in metallic blue with matte black, with the same specification table as ATH-M50x. Japanese release date 2018-04-13. No JAN code is published

GTIN / EAN

Not available

4961310125431, 4961310125455, 49613101334501Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026JAN codes 4961310125431 (ATH-M50x) and 4961310125455 (ATH-M50x WH)2Maker product pageaudio-technica.co.jp/product/ATH-M50xMGRead 6 October 2026The JAN code is published as T4961310133450. The leading T is not part of an EAN-13. The remaining 13 digits have a valid check digit

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

24 September 20242Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

January 20149Press articlemusicradar.com/news/tech/namm-2014-audio-technica-reveals-new-m-series-headphones-591670Read 7 October 2026January 2014. Article published January 23 reproduces the maker launch release dated January 20. The month is stored because other January previews predate the release date.

Status

Available1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Available1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Both colours are buyable in the maker's Japanese online store on the access date7Retailer pagemusiciansfriend.com/pro-audio/audio-technica-ath-m50x-closed-back-studio-monitoring-headphonesRead 6 October 2026In stock in the US store on the access date

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$229.993Press articletechradar.com/gaming/consoles-pc/the-new-alienware-pro-headset-releases-next-month-featuring-hybrid-active-noise-cancellation-and-graphene-coated-driversRead 23 October 2026September 24, 2024 launch reporting names North America October availability at USD 229.99. US price excludes sales tax.

$2395Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 6 October 2026U.S. MSRP: ATH-M50x $239 and ATH-M50xWH $239. Street prices were lower

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

JP, US1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Sold in the maker's Japanese online store5Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 6 October 2026U.S. MSRP published for the launch7Retailer pagemusiciansfriend.com/pro-audio/audio-technica-ath-m50x-closed-back-studio-monitoring-headphonesRead 6 October 2026US store

ColoursiThe maker's own colour names

Lunar Light1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Black, White7Retailer pagemusiciansfriend.com/pro-audio/audio-technica-ath-m50x-closed-back-studio-monitoring-headphonesRead 6 October 2026Colour options Black and White. The maker's Japanese page names the white model WH (ホワイト)

Segment

Gaming1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Studio1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Product category: Professional monitor headphones (プロフェッショナルモニターヘッドホン)

Design

3 of 7 differ

Form factor

Over-ear1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Over-ear6Retailer pagethomannmusic.com/audio_technica_ath_m50_x.htmRead 6 October 2026Circumaural. Design: Over-Ear8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Reviewed under Over-ear headphones

Ear cup enclosureiClosed, open or semi-open acoustic enclosure. This does not describe how the headset folds.

Closed8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026

Closed1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Type: closed dynamic (密閉ダイナミック型)

Wearing style

Headband1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Headband8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Metal notched headband adjustments with hinges for folding and fit

FoldingiFlat means the ear cups rotate flat. Inward means the ear cups fold toward the headband.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer explicitly states cups cannot rotate flat or fold inward.

Flat and inward1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Folding mechanism (折りたたみ機構) and a 90 degree reversible monitor mechanism. Gallery images are captioned as folded. SoundGuys describes both movements8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026You can flip the closed-back ear cups 90 degrees in either direction from neutral, and the arms articulate to fold it down

Swivelling ear cupsiEar cups can rotate relative to the headband. Tilting alone does not count.

No7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Ear cups turn 90 degrees front and back for one-ear monitoring (前後90度の反転モニター機構)

RGB lighting

No8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Introduction explicitly says the headset has no RGB LEDs.

Not available

Lighting zonesiNumber of independently controllable lighting areas across both ear cups.

Not available

Not available

Drivers and sound

12 of 20 differ

Driver type

Not available

Dynamic1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Type: closed dynamic

Driver sizeiDiameter of the largest sound driver. Do not use the microphone capsule diameter.

50mm1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

45mm1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Driver: 45 mm, CCAW voice coil

Drivers per sideiNumber of sound-producing transducers in one side, excluding microphones.

Not available

111Reviewifixit.com/Teardown/Audio-Technica+ATH-M50x+Teardown/135646Read 7 October 2026Complete speaker disassembly in steps 2 and 3 removes one speaker. Step 4 repeats those steps for the other earpiece. No extra sound transducer is listed.

Diaphragm material

Graphene-coated1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Not available

Magnet

Not available

Neodymium6Retailer pagethomannmusic.com/audio_technica_ath_m50_x.htmRead 6 October 202645 mm driver with neodymium magnet system and CCAW voice coils

Frequency response (wired or passive)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Min20 HzMax40 kHz2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Single maker acoustic output range. Not a Bluetooth transmission passband.

Min15 HzMax28 kHz1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

32Ω1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Published 32 ohm. Power state and test frequency are unstated.

38Ω1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026

Sensitivity (passive when specified)iUse the headset-off figure when both powered and passive values exist. The power or voltage reference, test distance and frequency belong in the source note.

115dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: 115 +/- 3 dB at 1 mW and 1 kHz. No power state is stated.

99dB1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Output sound pressure level: 99 dB/mW

Sensitivity referenceiPublished power or voltage reference for sensitivity. Do not assume 1 mW when the source gives only a dB value.

Per 1 mW2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

Per 1 mW1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Published as 99 dB/mW

THD (claimed)iPublished distortion figure or numerical upper bound. The source note states any less-than sign and test level.

Not available

Not available

Max input power

50mW4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 maximum driver input power 50 mW.

1,600mW1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Maximum input: 1,600 mW10Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 7 October 2026PDF page 7: 1600 mW at 1 kHz. The existing value is unchanged.

Max digital audio sample rateiHighest supported digital audio sample rate over a USB cable or wireless dongle. This is not the microphone rate or acoustic frequency response.

96kHz4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 Hi-Res is available only over wired USB. Windows format is two channels, 24 bit, 96000 Hz.

Not available

Max digital audio bit depthiHighest published digital playback bit depth over a USB cable or wireless dongle.

24bits4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 wired USB playback. The receiver is not claimed to carry 96 kHz.

Not available

DAC

Not available

Not available

Personalised soundiA manufacturer-supported hearing test or ear scan creates a device sound profile tailored to the listener. Generic equalizer adjustments do not count.

Not available

Not available

Onboard EQiCustom playback EQ profiles stored in the headset and applied without the host app running. Note supported active connections. Receiver-only or software-only EQ does not count.

Not available

Not available

Custom EQ bandsiNumber of bands in the custom playback equalizer. Microphone EQ bands are excluded.

107Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Ten-band EQ through Windows Dolby Access. Does not establish headset-stored EQ.

Not available

EQ presets

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

Dolby Atmos for Headphones4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Immerse Virtual Studio1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Supports the Immerse Virtual Studio VST plug-in for compatible DAW software. Host processing simulates studio monitor sound fields. It is not onboard processing or a bundled paid licence.

Spatial audio licence includediA paid spatial-audio licence is bundled or embedded. Compatibility with a separately purchased app does not count.

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 22: Dolby Access automatically detects the connected headset and activates Dolby Atmos for Headphones. Windows 10 or 11 required.

Not available

Head tracking

Not available

Not available

Noise cancelling

4 of 10 differ

Active noise cancelling

Yes1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

No8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Passive isolation only, without active noise cancelling

ANC typeiFeedforward uses outside microphones. Feedback uses inside microphones. Hybrid uses both. Voice-call noise filtering is separate.

Hybrid1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Not available

ANC microphonesiTotal microphones used for active playback noise cancellation across both sides. Do not substitute the total physical or voice microphone count.

Not available

Not available

Adaptive ANCiNoise cancellation automatically changes with the environment or fit. Manually choosing a level does not count.

Not available

Not available

ANC levelsiNumber of adjustable cancellation strength steps. Off and transparency modes are excluded.

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Adjustable transparency

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 25: five transparency levels. This is not five ANC strength levels.

Not available

Conversation detectioniAudio pauses or lowers automatically when the wearer speaks. Voice assistant activation does not count.

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

5 of 21 differ

Frequency response notesiMeasured by a reviewer, not claimed by the maker

SoundGuys measured a small bass rise below 100 Hz and elevated treble from 5 to 10 kHz. ANC changes the bass response substantially.7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026SoundGuys B&K 5128 measurements versus its target. Headset 3.6.0, dongle 2.8.0. Different ANC modes were plotted separately. No regional peak or perceived-loudness percentage is substituted for full-range deviation or attenuation fields.

Follows the SoundGuys house curve fairly closely. Less bass below 100 Hz with a roll-off below 40 Hz. A slight dip at 300 to 400 Hz, about 3 dB less at 3 kHz and a notch at 6 kHz.8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026SoundGuys measurement against its house curve. Review updated 2024-08-06

Bass amountiReviewer’s bass deviation from its stated target. Positive is more bass. Target and test method belong in the source note.

Not available

0dB13Measurementrtings.com/headphones/reviews/audio-technica/ath-m50xRead 10 October 2026Test bench 2.3. Public featured result Bass Amount: Balanced (0 dB), relative to the RTINGS target curve, as shown in whole dB. Detailed numeric results are behind the RTINGS paywall and were not used

Treble amountiReviewer’s treble deviation from its stated target. Positive is more treble. Target and test method belong in the source note.

Not available

0dB13Measurementrtings.com/headphones/reviews/audio-technica/ath-m50xRead 10 October 2026Test bench 2.3. Public featured result Treble Amount: Balanced (0 dB), relative to the RTINGS target curve, as shown in whole dB. Detailed treble sub-band results are behind the RTINGS paywall and were not used

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

Noise isolation (measured, best)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic quality notesiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic low-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratioiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

Bluetooth latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

2.4 GHz latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery lifeiReviewer’s continuous playback test. State the connection, ANC and lighting where known. Unknown settings stay omitted and are described in the source note.

AAlienware Pro Wireless Gaming Headset

Connection	ANC	Hours (h)
2.4 GHz	No	71.55

Source7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 202671 hours 33 minutes converted exactly to 71.55 h. PC through USB-C receiver, ANC off. Headset firmware 3.6.0 and dongle 2.8.0. Review uses SoundGuys standardized continuous playback test and B&K 5128. Playback level is not restated in the review.

BAudio-Technica ATH-M50x

Not available

Battery life (measured, max)iMeasured by a reviewer, not claimed by the maker

71.55h=CalculatedFrom Measured battery life

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iIndependently weighed headset. A review that repeats the maker’s number does not qualify. Cable and microphone inclusion belong in the source note.

Not available

Not available

Microphone

12 of 16 differ

MicrophoneiMain microphone used for speech. Secondary internal microphones may be described in the source note.

Detachable boom4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

None8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026No microphone. The review points to the ATH-M50xBT2 for its included mic system and to other headsets if a mic is needed

Microphone element

Not available

Not available

Microphone pickup patterniUse the maker’s exact named pattern. Unidirectional does not establish whether the capsule is cardioid, supercardioid or hypercardioid.

Unidirectional4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Voice microphonesiTotal microphones used for voice pickup or beamforming across both sides. ANC-only microphones are excluded.

21Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Two-microphone AI voice beamforming. This is not the physical total including ANC microphones.

Not available

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

Mic frequency responseiAcoustic microphone response, not its digital sampling rate. Connection-specific ranges belong in the source note.

Min100 HzMax10 kHz2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

Not available

Mic sensitivityiPublished microphone sensitivity. Reference such as dBV/Pa or dBFS, frequency and distance belong in the source note.

-44dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: -44 +/- 3 dBV/Pa. Frequency and distance are not named.

Not available

Mic signal-to-noiseiPublished microphone signal-to-noise ratio. Minimum or typical conditions belong in the source note.

55dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: 55 dB. No test conditions are stated.

Not available

Mic sample rateiExplicitly published digital microphone capture or speech sampling rate. State the audio route in the source note, or say it is unpublished. Internal capture does not prove the effective rate on every connection. Acoustic bandwidth, playback rate and generic microphone-chip capability do not qualify.

Not available

Not available

Mic noise reductioniProcessing that removes noise from transmitted speech. Playback ANC and a directional microphone alone do not count.

AI4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Flip to mute

Not available

Not available

Mute button

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Mute indicatoriPublished indication of microphone mute. mechanical_marker is a visible physical marker showing the microphone's mute-switch position. LED options require an electronic light. The in-line controller option is for a mute light on a cable remote.

LED on mic, Voice prompt4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 26: boom LED turns red and voice prompt says Mic on or Mic off.

Not available

Sidetone

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Adjustable sidetone

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 26: five sidetone levels in AWCC, default level 3.

Not available

Foam microphone windscreeniA foam cover for the voice microphone. An internal metal mesh pop filter does not count.

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 13 explicitly describes the microphone foam shield.

Not available

Connectivity

14 of 20 differ

Audio connectionsiConnections that carry playback audio. Charging or firmware USB alone does not count as USB audio.

USB, 2.4 GHz, Bluetooth5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Analog8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Strictly wired, terminates in a 3.5 mm headphone jack with an optional 1/4-inch adapter

Analog source plugsiAnalog plug(s) supplied for the source device, including adapters. The headset-side jack is listed separately.

Not available

3.5 mm TRS, 6.35 mm1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Plug: 6.3 mm standard and 3.5 mm mini, gold-plated stereo 2-way plug. Stereo is read as a 3-pole TRS plug

Cable connector on headsetiConnection used by the playback cable at the headset. A fixed cable is not replaceable through a headset jack.

USB-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Proprietary1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Detachable cables with a bayonet lock mechanism (着脱コード(バヨネット式ロック機構)). Read as a maker-specific twist-lock connector8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026The removable cables use a proprietary connection with a twist lock

Longest included cableiLength of the longest supplied cable, including charging and dongle cables. Individual cable lengths are listed in Cables included.

2m2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

3m1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Cables: 1.2 m coiled (about 3 m extended), 3.0 m straight and 1.2 m straight. The 3.0 m straight cable is stored as the longest

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Pages 17 to 19 show USB playback and recording endpoints. Inserting the USB cable disconnects the wireless link.

Not available

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

Not available

Yes8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026This wired headset does not rely on batteries or Bluetooth

Wireless receiveriDedicated wireless audio receiver or dongle. A wired USB sound card does not count.

Included1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

None8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Strictly wired, no Bluetooth or other wireless connection

Wireless receiver connectoriPhysical USB connector on the receiver. Supplied extension cables and adapters are explained in the source note. Both means two native connector types.

USB-C1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Native USB-C receiver with supplied USB-A adapter.

Not available

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

30m2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3 claims Bluetooth 5.3 range up to 30 m/100 ft. The newer manual recommends staying within 10 m for troubleshooting. This does not replace the advertised maximum.

Not available

Bluetooth

5.31Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Not available

Bluetooth codecsiNamed Bluetooth audio codecs supported by this exact model. Host, firmware and operating-mode restrictions belong in the source note.

SBC, AAC8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Les Numeriques explicitly reports SBC and AAC with Bluetooth 5.3. Firmware 3.5, receiver 2.7, AWCC 6.5.9.0. No LC3 or LE Audio assertion.

Not available

LE AudioiLE Audio playback support. Bluetooth Low Energy for app control alone does not count.

Not available

Not available

AuracastiAuracast broadcast audio support. Required phone, firmware and app conditions belong in the source note.

Not available

Not available

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

No9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Spec table explicitly says no multipoint and one connected device. This does not establish paired-device memory capacity.

Not available

Multipoint devicesiNumber of Bluetooth source devices connected at once, not the number remembered for later pairing.

Not available

Not available

Paired devices remembered

Not available

Not available

Mixes 2.4 GHz and Bluetooth audioiPlays both wireless audio streams at the same time. Automatic switching or Bluetooth standby does not count.

No7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

Not available

Fast pairing

Not available

Not available

Base station

Not available

Not available

Latency

1 of 2 differ

Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 28: Bluetooth gaming mode toggles by holding microphone mute for five seconds. Default is off. No numeric latency claim is published.

Not available

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

Not available

Not available

Compatibility

2 of 3 differ

Compatible platformsiPlatforms with a documented audio path. This does not imply every connection or microphone function works. Platform editions must be checked individually.

Windows, macOS, PS5, PS4, Nintendo Switch, Nintendo Switch 2, SteamOS, Android, iOS9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Review lists Mac, Windows, PS4/5, Switch/Switch 2 and Steam Deck. Maker page explicitly lists Android and iOS. Xbox is excluded.

Not available

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

AAlienware Pro Wireless Gaming Headset

Platform	Connection	Microphone works
Windows	USB	Yes
Windows	2.4 GHz	Yes
PS5	2.4 GHz	Yes
Nintendo Switch	2.4 GHz	Not available
Android	Bluetooth	Not available
iOS	Bluetooth	Not available

Source9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Manual pages 14 and 17 to 19 document Windows USB and receiver playback/recording. Tom's Guide tests PS5 receiver and microphone. SoundGuys confirms Switch receiver and mobile Bluetooth. No blanket claim that every platform supports every path.

BAudio-Technica ATH-M50x

Not available

Official licence

Not available

Not available

Battery and charging

11 of 13 differ

Battery capacityiRated capacity of one headset battery. Do not use case, receiver or total multi-battery capacity.

750mAh5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Swappable batteryiBattery can be exchanged by the user as part of normal operation. Service or recycling disassembly does not count.

No8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Technical table explicitly says removable battery: No.

Not available

Batteries includediNumber of headset batteries supplied, including the one already installed.

Not available

Not available

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

AAlienware Pro Wireless Gaming Headset

Connection	ANC	Hours (h)
Bluetooth	No	75
2.4 GHz	No	70
2.4 GHz	Yes	35

Source5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 11 playback claims. Maker store footnotes: default playback volume, third-party maker-commissioned testing in July 2024. These are maker claims, not independent measured results. Talk time of 35/25 hours is excluded.

BAudio-Technica ATH-M50x

Not available

Battery life (claimed, max)

75h=CalculatedFrom Claimed battery life

Not available

Battery life with ANC (claimed)

35h=CalculatedFrom Claimed battery life

Not available

Battery life without ANC (claimed)

75h=CalculatedFrom Claimed battery life

Not available

Charging port

USB-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

None8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Does not rely on batteries

Full charge timeiPublished time to fully charge a depleted headset. In-use charging can take longer.

150min5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 11: less than 2.5 hours from flat to full. Stored 150 minutes is the published upper bound, not an exact measured duration.

Not available

Quick charge timeiCharge duration in the maker’s quick-charge claim. Read together with Quick charge playback.

15min6Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Not available

Quick charge playbackiPlayback gained from Quick charge time. Charger power, codec, volume and ANC conditions belong in the source note.

8h6Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Product features and footnote 9: up to eight hours playback after fifteen minutes charging, receiver mode, ANC off, default volume. July 2024 maker-commissioned third-party test. An older Dell 520-BBKM listing says six hours, while current page and original launch sheet say eight.

Not available

Use while charging

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026USB cable provides wired playback and charging together. Pages 10 and 17 say it disconnects wireless audio.

Not available

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

Buttons, Volume wheel, Slider5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

Volume control

Wheel5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

None8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026The playback controls of the ATH-M50xBT2 are not found on the ATH-M50x or any of its cables

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026No headset game/chat balance. Separate Windows endpoints can be mixed using third-party software.

Not available

Remappable controlsiOn-device button, touch or dial functions can be reassigned. Changing EQ alone does not count.

Not available

Not available

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

7 of 11 differ

Headband type

Padded7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

Padded1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026New ear pad and head pad (ヘッドパッド) materials for durability

Headband material

Leatherette and memory foam2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

Synthetic leather-covered padding14Reviewdjbooth.net/pro-audio/audio-technica-ath-m50xRead 21 October 2026Review: the ATH-M50x headband has soft padding underneath, covered by synthetic leather material

Frame material

Metal headband frame7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer identifies the adjustable headband frame as metal.

Plastic and metal8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Mainly plastic body with metal notched headband adjustments. This describes the mixed structural construction, not the ear pad covering.

Ear cup material

Not available

Plastic8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Mainly plastic body with metal only in the notched headband adjustments. Matches the DJ Booth review14Reviewdjbooth.net/pro-audio/audio-technica-ath-m50xRead 21 October 2026Review of July 2014: the ear cups are plastic-framed, and the headphones are almost all plastic including the hinge and swivel points. Only the headband extenders are metal

Ear pad material

Leatherette with memory foam1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Faux leather6Retailer pagethomannmusic.com/audio_technica_ath_m50_x.htmRead 6 October 2026Earpads made of faux leather

Replaceable ear pads

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 29 shows pulling the complete pad assembly away from the headset. Attachment mechanism is not named clearly enough to store an enum.

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Sold separately: replacement ear pads HP-M50x

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Not available

Stretch-over11Reviewifixit.com/Teardown/Audio-Technica+ATH-M50x+Teardown/135646Read 7 October 2026Step 1 removes the cushion compression fitting from its track. The pad perimeter stretches over the cup edge into a groove. This is not a clip or twist-lock pad mount.12Reviewmixonline.com/technology/audio-technica-ath-m-series-headphone-ear-pads-reviewRead 7 October 2026Replacement-pad installation slides the lip into the small groove on the perimeter of the cup and stretches the pad during mounting. This independently explains the original-pad compression fitting described in iFixit step 1.

Ear pad openingiUsable opening inside an ear pad, excluding the outer cushion. Depth is the internal space between pad surface and driver cover.

Not available

Width60Height65mm(2.4 × 2.6 in)8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Spec table: Ear pad internal opening 65 x 60 mm. Text: about 6.5 cm x 6 cm of space around the ears. The page does not name the axes. Read as height 65 and width 60, since an ear is taller than wide. Depth is not stated

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Ear cushions, Boom microphone5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Ear pads (HP-M50x), Headband (HP-HBM50x), Coiled cable 1.2 m, Straight cable 3.0 m, Straight cable 1.2 m1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Sold separately: replacement ear pads HP-M50x, replacement headband HP-HBM50x and all three detachable cables

Software

3 of 3 differ

Companion app

Alienware Command Center and Dolby Access5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

App platforms

Windows5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

User firmware updates

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 23: manual update utility or AWCC update tab upgrades headset and receiver.

Not available

Dimensions and weight

2 of 2 differ

Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

315g(11.1 oz)5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 approximate 315 g, headset only. Microphone inclusion is not separately specified.

285g(10.1 oz)1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Mass without cable (質量(コード除く)): 285 g. Thomann lists 287 g and SoundGuys 283 g. The maker value is stored

Headset dimensionsiBody size with headband upright and ear cups in their normal wearing position. Width is across the head, height is top to bottom, and depth is front to back. Folded or flat-swivel dimensions are not substituted.

Height205mm5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 gives height 205 mm, length 148 mm and width 90.2 mm. Launch sheet names 150 mm width and 90.2 mm depth. Only the unambiguous shared height is stored because axes and width conflict.

Not available

Certifications

2 of 3 differ

Hi-Res Audio

Hi-Res Audio5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 wired USB only. Maker launch sheet explicitly names Hi-Res Audio certification.

Not available

Communication certifications

Not available

Not available

FCC ID

2AYYS-PRO-HS10Regulatory filingfcc.report/FCC-ID/2AYYS-PRO-HS/7264752.pdfRead 23 October 2026Public UL FCC radio report 4791096000-US-R1-V0 identifies gaming headset PRO-HS. Matches the Dell manual regulatory model, not AW725H.

Not available

Other certifications

Not available

RoHS (2011/65/EU)10Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 7 October 2026Self-declaration on PDF page 9 lists RoHS Directive 2011/65/EU and EN50581:2012. This is manufacturer conformity, not independent certification.

In the box

3 of 3 differ

In the box

Alienware Pro Wireless Gaming Headset, USB-C wireless dongle, USB-A to USB-C adapter, 2 m USB-A to USB-C cable, Detachable boom microphone, Microphone foam shield, Documentation5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Pouch, Detachable coiled cable 1.2 m, Detachable straight cable 3.0 m, Detachable straight cable 1.2 m, 6.3 mm adapter1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Accessories: pouch, detachable coiled cable 1.2 m, detachable straight cables 3.0 m and 1.2 m. The 6.3 mm adapter is from Thomann6Retailer pagethomannmusic.com/audio_technica_ath_m50_x.htmRead 6 October 2026Includes 6.3 mm adaptor and bag. The page also lists Peak SPL 99 dB and Max. SPL 97 dB, which were not used

Cables includediSupplied playback, charging, dongle and adapter cables. A permanently attached headset cable is included and named as fixed.

AAlienware Pro Wireless Gaming Headset

Type	Length (m)	Count
USB-A to USB-C charging and playback cable	2	1

Source5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026USB-A to USB-C cable carries wired playback as shown in the guide. Two-meter cable length is stated in the launch sheet.

BAudio-Technica ATH-M50x

Type	Length (m)	Count
Coiled OFC litz cable, detachable, extends to about 3 m	1.2	1
Straight OFC litz cable, detachable	3	1
Straight OFC litz cable, detachable	1.2	1

Source1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026OFC litz cables: 1.2 m coiled cable (about 3 m extended), 3.0 m straight cable and 1.2 m straight cable, all detachable

Carrying caseiSupplied carrying case or pouch. A retail carton does not count as a carrying case.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer explicitly states no protective case is included.

Soft1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026Accessories: pouch (ポーチ)8Reviewsoundguys.com/audio-technica-ath-m50x-592Read 7 October 2026Included vinyl cinched bag. More of a carrying pouch than a protective case

Links

Not compared

Product page

www.dell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m11Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Read the public page successfully with IAB after normal web fetch timed out.

www.audio-technica.co.jp/product/ATH-M50x1Maker product pageaudio-technica.co.jp/product/ATH-M50xRead 7 October 2026

Spec sheet

gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdf2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Original Dell launch press sheet on a public distributor/spec-comparison mirror.

docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdf10Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 7 October 2026Official technical construction file. ATH-M50x specifications are on PDF page 7. Image-only PDF, checked visually after OCR.

Manual

dl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdf4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026August 2025 Rev. A01 user guide, 36 pages. Read full text using the identical publicly available Icecat retailer mirror when direct download failed.

www.audio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdf4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 7 October 2026Shared ATH-M50x, ATH-M40x, ATH-M30x and ATH-M20x user manual. Mostly pictures with Japanese text

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026US product page lists two-year limited warranty. Manual also confirms a two-year limited hardware warranty.

1year4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 7 October 2026Japanese warranty certificate on PDF page 1: one year from purchase. This is Japan coverage, not a global warranty claim.

Both are also in the API. Back to all headsets and headphones.